Just experienced a total cockpit freeze - aircraft still moving flying the air, I can climb and descend manually, but everything in the cockpit froze.
Buttons and knobs could be interacted with but would have no impact. Screens and HUD frozen. I believe it was triggered when I went to the DEP ARR page of the FMC, after which, nothing could be interacted with and all screens froze. The aircraft still operated - gear could go down (by pressing G) but I didn’t see the gear lever move, flaps could be moved, but the physical lever again didn’t move. Everything seemed working, other than t